package com.jindi.appuser.common;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * Created with IntelliJ IDEA.
 * User: duanj
 * Date: 2018-03-08
 * Time: 11:40
 * Description:
 */

@Component
public class SpringbootUtil implements ApplicationContextAware {

    private static ApplicationContext applicationContext;
    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        if(SpringbootUtil.applicationContext == null) {
            SpringbootUtil.applicationContext = applicationContext;
            System.out.println("========ApplicationContext配置成功,在普通类可以通过调用SpringUtils.getAppContext()获取applicationContext对象,applicationContext="+SpringbootUtil.applicationContext+"========");

            System.out.println("---------------------------------------------------------------------");
        }
    }
    //获取applicationContext
    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    //通过name获取 Bean.
    public static Object getBean(String name){
        return getApplicationContext().getBean(name);
    }

    //通过class获取Bean.
    public static <T> T getBean(Class<T> clazz){
        return getApplicationContext().getBean(clazz);
    }

    //通过name,以及Clazz返回指定的Bean
    public static <T> T getBean(String name,Class<T> clazz){
        return getApplicationContext().getBean(name, clazz);
    }

    public static void main(String[] args) {
        SpringbootUtil.getBean("planService");
    }

}
